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34351344144 = 24321370126177
BaseRepresentation
bin11111111111011111…
…111110101000010000
310021200000010002101100
4133333133332220100
51030322421003034
623440352304400
72324154415245
oct377737765020
9107600102340
1034351344144
1113628490317
1267a8242100
133315a20750
14193c2d95cc
15d60b51099
hex7ff7fea10

34351344144 has 120 divisors (see below), whose sum is σ = 103682785752. Its totient is φ = 10554163200.

The previous prime is 34351344133. The next prime is 34351344149. The reversal of 34351344144 is 44144315343.

It can be written as a sum of positive squares in 4 ways, for example, as 14045094144 + 20306250000 = 118512^2 + 142500^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 34351344099 and 34351344108.

It is not an unprimeable number, because it can be changed into a prime (34351344149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1299184 + ... + 1325360.

Almost surely, 234351344144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34351344144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51841392876).

34351344144 is an abundant number, since it is smaller than the sum of its proper divisors (69331441608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34351344144 is a wasteful number, since it uses less digits than its factorization.

34351344144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26905 (or 26896 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 34351344144 its reverse (44144315343), we get a palindrome (78495659487).

The spelling of 34351344144 in words is "thirty-four billion, three hundred fifty-one million, three hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 701 936 1402 1872 2103 2804 4206 5608 6309 8412 9113 11216 12618 16824 18226 25236 26177 27339 33648 36452 50472 52354 54678 72904 78531 82017 100944 104708 109356 145808 157062 164034 209416 218712 235593 314124 328068 340301 418832 437424 471186 628248 656136 680602 942372 1020903 1256496 1312272 1361204 1884744 2041806 2722408 3062709 3769488 4083612 5444816 6125418 8167224 12250836 16334448 18350077 24501672 36700154 49003344 55050231 73400308 110100462 146800616 165150693 220200924 238551001 293601232 330301386 440401848 477102002 660602772 715653003 880803696 954204004 1321205544 1431306006 1908408008 2146959009 2642411088 2862612012 3816816016 4293918018 5725224024 8587836036 11450448048 17175672072 34351344144